As Communication Service Providers (CSPs) adopt the Network Function Virtualization (NFV) paradigm they need to transition their network function capacity to a virtualized infrastructure with different Network Functions running on a set of heterogeneous servers. This abstract describes a novel...

We use computers to study economics, but few people realize that we can use economics to study and design computational systems. The reason is that computer networks can be regarded as a community of processes that in their interactions, strategies and lack of perfect knowledge, face the same...

We present a study of the group purchasing behavior of daily deals in Groupon and LivingSocial and introduce a predictive dynamic model of collective attention for group buying behavior. In our model, the aggregate number of purchases at a given time comprises two types of processes: random...

We have conducted three empirical studies of the effects of friend recommendations and general ratings on how online users make choices. We model and quantify how a user deciding between two choices trades off an additional rating star with an additional friend’s recommendation when selecting...

We studied the statistics in the number of visitors to sites of the World Wide Web by examining usage logs covering one hundred and twenty thousand sites. We found out that both in the case of all sites and sites in specific categories, the distribution of visitors per site follows a universal...